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August Weather in Laramie Wyoming, United States

Daily high temperatures decrease by 5°F, from 79°F to 74°F, rarely falling below 65°F or exceeding 85°F.

Daily low temperatures decrease by 5°F, from 51°F to 46°F, rarely falling below 39°F or exceeding 57°F.

For reference, on July 18, the hottest day of the year, temperatures in Laramie typically range from 51°F to 79°F, while on December 29, the coldest day of the year, they range from 13°F to 32°F.

Average High and Low Temperature in August in Laramie

Average High and Low Temperature in August in LaramieAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313125°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FJulSepAug 179°FAug 179°F51°F51°FAug 3174°FAug 3174°F46°F46°FAug 1178°FAug 1178°F50°F50°FAug 2177°FAug 2177°F48°F48°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in August in Laramie

Average Hourly Temperature in August in LaramieAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJulSepvery coldcoldcoldcoolcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Gurgurnica, Macedonia (5,804 miles away) and Evren, Turkey (6,391 miles) are the far-away foreign places with temperatures most similar to Laramie (view comparison).

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The month of August in Laramie experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 29% throughout the month. The highest chance of overcast or mostly cloudy conditions is 31% on August 11.

The clearest day of the month is August 20, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on March 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on July 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 74%.

Cloud Cover Categories in August in Laramie

Cloud Cover Categories in August in LaramieAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSepJul 374%Jul 374%Aug 170%Aug 170%Aug 3170%Aug 3170%Aug 1169%Aug 1169%Aug 2172%Aug 2172%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Laramie, the chance of a wet day over the course of August is very rapidly decreasing, starting the month at 25% and ending it at 16%.

For reference, the year's highest daily chance of a wet day is 29% on May 22, and its lowest chance is 6% on January 28.

Probability of Precipitation in August in Laramie

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during August in Laramie is gradually decreasing, starting the month at 1.1 inches, when it rarely exceeds 2.2 inches or falls below 0.3 inches, and ending the month at 0.8 inches, when it rarely exceeds 1.8 inches or falls below 0.2 inches.

Average Monthly Rainfall in August in Laramie

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of August in Laramie, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 13 minutes, implying an average daily decrease of 2 minutes, 26 seconds, and weekly decrease of 17 minutes, 0 seconds.

The shortest day of the month is August 31, with 13 hours, 7 minutes of daylight and the longest day is August 1, with 14 hours, 20 minutes of daylight.

Hours of Daylight and Twilight in August in Laramie

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The earliest sunrise of the month in Laramie is 5:58 AM on August 1 and the latest sunrise is 30 minutes later at 6:28 AM on August 31.

The latest sunset is 8:18 PM on August 1 and the earliest sunset is 43 minutes earlier at 7:35 PM on August 31.

Daylight saving time is observed in Laramie during 2024, but it neither starts nor ends during August, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:29 AM and sets 15 hours, 10 minutes later, at 8:39 PM, while on December 21, the shortest day of the year, it rises at 7:25 AM and sets 9 hours, 11 minutes later, at 4:36 PM.

Sunrise & Sunset with Twilight in August in Laramie

The solar day over the course of August. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in August in Laramie

Solar Elevation and Azimuth in August in LaramieAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJulSep0010102020203030404050506000010102020303030404050506060
northeastsouthwest
Solar elevation and azimuth over the course of August 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for August 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in August in Laramie

Moon Rise, Set & Phases in August in LaramieAug112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJulSepJul 54:58 PMJul 54:58 PMJul 214:18 AMJul 214:18 AMAug 45:14 AMAug 45:14 AMAug 1912:26 PMAug 1912:26 PMSep 27:56 PMSep 27:56 PMSep 178:35 PMSep 178:35 PM4:49 AM4:49 AM9:07 PM9:07 PM8:36 PM8:36 PM5:40 AM5:40 AM5:56 AM5:56 AM8:49 PM8:49 PM7:46 PM7:46 PM5:53 AM5:53 AM5:56 AM5:56 AM7:38 PM7:38 PM7:05 PM7:05 PM7:22 AM7:22 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Aug 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
8%2:39 AMNE7:02 PMNW-10:52 AMS240,885 mi
2
3%3:42 AMNE7:46 PMNW-11:47 AMS243,100 mi
3
1%4:48 AMNE8:21 PMWNW-12:39 PMS245,234 mi
4
0%5:56 AMENE8:49 PMWNW-1:27 PMS247,227 mi
5
2%7:02 AMENE9:13 PMWNW-2:11 PMS248,994 mi
6
5%8:05 AMENE9:33 PMW-2:52 PMS250,430 mi
7
11%9:07 AME9:51 PMW-3:31 PMS251,416 mi
8
18%10:07 AME10:09 PMW-4:10 PMS251,833 mi
9
25%11:07 AME10:28 PMWSW-4:49 PMS251,574 mi
10
34%12:08 PMESE10:49 PMWSW-5:29 PMS250,562 mi
11
44%1:11 PMESE11:12 PMWSW-6:12 PMS248,767 mi
12
50%2:16 PMESE11:41 PMWSW-6:59 PMS246,218 mi
13
64%3:23 PMSE--7:51 PMS243,013 mi
14
74%-12:18 AMSW4:29 PMSE8:47 PMS239,334 mi
15
83%-1:05 AMSW5:31 PMSE9:48 PMS235,439 mi
16
91%-2:04 AMSW6:25 PMSE10:50 PMS231,652 mi
17
97%-3:14 AMSW7:09 PMESE11:51 PMS228,323 mi
18
98%-4:32 AMWSW7:46 PMESE--
19
100%-5:53 AMWSW8:16 PMESE12:49 AMS225,771 mi
20
100%-7:13 AMWSW8:42 PME1:43 AMS224,234 mi
21
96%-8:32 AMW9:06 PME2:35 AMS223,824 mi
22
90%-9:49 AMW9:30 PME3:25 AMS224,520 mi
23
82%-11:07 AMWNW9:56 PMENE4:14 AMS226,178 mi
24
71%-12:24 PMWNW10:25 PMENE5:05 AMS228,568 mi
25
60%-1:41 PMWNW11:00 PMENE5:58 AMS231,426 mi
26
50%-2:55 PMNW11:42 PMNE6:53 AMS234,499 mi
27
37%-4:02 PMNW-7:50 AMS237,571 mi
28
27%12:34 AMNE5:00 PMNW-8:47 AMS240,487 mi
29
18%1:34 AMNE5:46 PMNW-9:43 AMS243,150 mi
30
11%2:39 AMNE6:24 PMWNW-10:36 AMS245,510 mi
31
5%3:46 AMENE6:53 PMWNW-11:24 AMS247,549 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Laramie is essentially constant during August, remaining around 0% throughout.

Humidity Comfort Levels in August in Laramie

Humidity Comfort Levels in August in LaramieAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JulSepAug 160%Aug 160%Aug 10%Aug 10%Aug 310%Aug 310%drydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Laramie is gradually increasing during August, increasing from 7.9 miles per hour to 8.4 miles per hour over the course of the month.

For reference, on January 11, the windiest day of the year, the daily average wind speed is 16.2 miles per hour, while on July 29, the calmest day of the year, the daily average wind speed is 7.8 miles per hour.

Average Wind Speed in August in Laramie

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Laramie throughout August is predominantly from the west, with a peak proportion of 56% on August 31.

Wind Direction in August in Laramie

Wind Direction in August in LaramieAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JulSepwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Laramie typically lasts for 3.8 months (116 days), from around May 26 to around September 18, rarely starting before May 8 or after June 13, and rarely ending before September 3 or after October 4.

The month of August in Laramie is very likely fully within the growing season, with the chance that a given day is in the growing season gradually decreasing from 100% to 94% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in August in Laramie

Time Spent in Various Temperature Bands and the Growing Season in August in Laramiegrowing seasonAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JulSep100%Aug 1100%Aug 194%Aug 3194%Aug 31100%Aug 11100%Aug 1199%Aug 2199%Aug 2150%Sep 1850%Sep 18very coldcoldcoolcomfortablewarmfreezinghot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Laramie are increasing during August, increasing by 387°F, from 969°F to 1,356°F, over the course of the month.

Growing Degree Days in August in Laramie

Growing Degree Days in August in LaramieAug1122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131800°F800°F900°F900°F1,000°F1,000°F1,100°F1,100°F1,200°F1,200°F1,300°F1,300°F1,400°F1,400°F1,500°F1,500°FJulSepAug 1969°FAug 1969°FAug 311,356°FAug 311,356°FAug 111,109°FAug 111,109°FAug 211,240°FAug 211,240°F
The average growing degree days accumulated over the course of August, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Laramie is gradually decreasing during August, falling by 0.9 kWh, from 7.1 kWh to 6.1 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in August in Laramie

Average Daily Incident Shortwave Solar Energy in August in LaramieAug11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJulSepAug 17.1 kWhAug 17.1 kWhAug 316.1 kWhAug 316.1 kWhAug 116.7 kWhAug 116.7 kWhAug 216.5 kWhAug 216.5 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Laramie are 41.311 deg latitude, -105.591 deg longitude, and 7,165 ft elevation.

The topography within 2 miles of Laramie contains only modest variations in elevation, with a maximum elevation change of 174 feet and an average elevation above sea level of 7,175 feet. Within 10 miles contains only modest variations in elevation (1,870 feet). Within 50 miles contains very significant variations in elevation (7,664 feet).

The area within 2 miles of Laramie is covered by shrubs (66%) and grassland (21%), within 10 miles by grassland (53%) and shrubs (41%), and within 50 miles by grassland (49%) and shrubs (27%).

This report illustrates the typical weather in Laramie, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Laramie.

For each station, the records are corrected for the elevation difference between that station and Laramie according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Laramie is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Laramie and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Laramie and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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